Professional Profile
Dennis Siu, P.Eng. is a registered Professional Engineer licensed by Professional Engineers Ontario since July 2012 and certified as a Project Management Professional (PMP) by the Project Management Institute (issued June 2009). He is currently employed at Miller Waste Systems Inc., a Canadian-owned and operated company headquartered in Markham, Ontario, specializing in sustainable waste management solutions.
Dennis is based in Richmond Hill, Ontario, and has approximately 14 years of experience in solid waste management, primarily within the commercial and municipal waste sectors. His expertise encompasses comprehensive knowledge of waste collection, haulage, recycling, organics processing, and resource recovery.
Current Role and Responsibilities
Dennis holds a managerial role focused on Contracts and Strategy at Miller Waste Systems. His responsibilities include overseeing strategic initiatives related to the company’s operations, contracts management, and aligning business objectives with waste diversion and sustainability goals. While his exact job title is not explicitly stated, he is positioned as a key strategy and contracts manager within the operations or commercial division.
Company Overview: Miller Waste Systems Inc.
Miller Waste Systems is a recognized leader in waste management across Canada, operating since 1961. The company focuses on innovative, sustainable waste solutions including:
- Collection and haulage of municipal and commercial waste streams.
- Operation and design of Material Recovery Facilities for sorting recyclable materials.
- Permanent dumpster bin rental and regular waste pick-up services.
- Management of waste drop-off depots to divert materials from landfills.
- Product destruction services for distressed or obsolete inventory.
- Production of compost, soil amendments, and renewable energy products through organics recycling.
Miller Waste Systems emphasizes environmental stewardship by focusing on the diversion of waste from landfills and discouraging landfill ownership or operation. The company has maintained a consistent reputation for excellence, being recognized for 15 consecutive years as one of Canada’s Best Managed Companies.
Professional Background and Education
- Education: Dennis studied at Ryerson University (now Toronto Metropolitan University).
- Engineering Registration: Holds Professional Engineer (P.Eng.) status from Professional Engineers Ontario since 2012.
- Project Management: Earned PMP certification in 2009, supporting his skills in leading projects and cross-functional initiatives.
- His career experience spans a mix of technical engineering and management within the waste services sector, indicating strong capabilities in both operational execution and strategic planning.
Industry Engagement and Leadership
Dennis actively participates in industry and community initiatives, including internal and external events. Notable activities include:
- Delivering a keynote speech for municipal and community organizations.
- Participation in company-wide Sales Conferences focused on strategic growth (Momentum 2025 Sales Conference).
- Endorsing and engaging in mental health initiatives reflecting corporate social responsibility values.
- Supporting Earth Week initiatives signifying personal and corporate commitment to environmental sustainability.
His LinkedIn presence with over 300 followers and approximately 300 professional connections highlights his active engagement within the industry network.
Recent Company and Market Context
Miller Waste Systems continues to grow its footprint nationally, actively contributing to the circular economy by assisting municipalities and businesses in waste diversion and resource recapture programs. Recent company highlights include:
- Strong emphasis on sustainability and innovation in waste processing and recycling.
- Continued investment in community engagement and environmental responsibility.
- A corporate culture focused on employee development and internal promotions, which aligns with Dennis’s career progression.
Key Insights for Engagement
Dennis Siu's blend of engineering expertise, project management competency, and strategic contracts oversight positions him as a valuable internal influencer in vendor and partnership decisions within Miller Waste Systems. His role likely involves evaluating solutions that enhance operational efficiency, ensure regulatory compliance, and advance sustainability objectives.
Miller Waste Systems’ prioritization of transparent client service and environmental leadership suggests openness to solutions that demonstrate measurable waste diversion benefits, cost-effective contract structures, and innovative recycling or organics processing technologies. Engaging on these topics would align well with Dennis’s professional remit.
LinkedIn Profile: [https://ca.linkedin.com/in/dennis-siu-p-eng-780895203](https://ca.linkedin.com/in/dennis-siu-p-eng-780895203)
Company Website: [https://millerwaste.ca/](https://millerwaste.ca/)
